The phrase "according to the protocol developed by" is correct and usable in written English.
You can use it when referencing a specific set of guidelines or procedures that have been established by a particular individual or organization.
Example: "According to the protocol developed by the research team, all participants must complete the survey before the experiment begins."
Alternatives: "as outlined in the protocol created by" or "following the guidelines established by".
According to the protocol developed by the N.F.L. Head, Neck and Spine Committee, "If a player exhibits or reports signs or symptoms of concussion on the field … he must be removed and evaluated by the Club medical team".
The PER is a paced running test, conducted on a 400-m outdoor track according to the protocol developed by Conconi et al. [24] and evaluated using the final running velocity.
The methods follow those used in recent years for analyses of ash for respiratory health hazard assessment, according to the protocol developed by the International Volcanic Health Hazard Network (e.g., Damby et al. 2013; Horwell et al. 2013; Le Blond et al. 2010 and downloadable from www.ivhhn.org).org
Blood lead level measurements were determined according to the protocol developed by Korecková-Sysalová [31].
Electrotransformation of C. acetobutylicum was carried out according to the protocol developed by Mermelstein [22].
These SNPs were amplified and analyzed according to the protocol developed by Bouakaze et al. [ 61].
The sequences of probes and primers were synthesized according to the protocols developed by the Japanese National Institute of Infectious Diseases (4 ).
In both case (depression and schizophrenia) written informed consent was given by patients and caregivers, according to the protocol developed in the Netherlands.
The assay was performed according to the protocol developed at the Vaccine and Infectious Disease Organization and as described previously by other authors [ 63].
NAGs were serotyped by using 206 polyclonal O antisera according to the protocol developed at the National Institute of Infectious Diseases (Tokyo, Japan) (2 ).
PFGE was performed according to the standard protocol developed by the Centers for Disease Control and Prevention (14 ), which used digestion by XbaI.
